<!DOCTYPE html>
<html lang="en">

<head>
    <title></title>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link href="css/style.css" rel="stylesheet">

    <style type="text/css">
        #title-type-one {
            background: #9b9b9b;
            margin-left: 0px;
            display: flex;
            justify-content: space-between;
            padding: 0.3rem;
        }

        img {
            width: 1.5rem;
            height: 1.5rem;
            background: #0011aa;
        }
        #title {
            text-align: center;
            margin: auto
        }

    </style>
</head>

<body>
    <!--左中右结构标题-->
    <div id="title-type-one">
        <img src="" alt="" id="icon-left" style="visibility:hidden">
        <em id="title">this is the title </em>
        <img src="" alt="" id="icon-right" >
    </div>

</body>

</html>